JVC RX-D301S Service Manual page 25

Block diagrams
A version
Audio/Video signal input and system control section
IC530 Y OUT
Y
Y SEL.
IC531
PB PB OUT
PB SEL.
VIDEO1
IC532
PR PR OUT
VCR IN
VIDEO10
PR SEL.
DVR/DVD IN
VIDEO11
MONITOR
DVD_C,DVD_SW,DVD_SL/SR
DVD C/SW
DVD SURR
DVRREC_L/R
IC502
DVR_L/R
DVR OUT L,R
6CH
DVR/DVD IN
SW
VCRREC_L/R
BD DA
VCR_L/R
VCR
BD CL
IN/OUT
TV_L/R
DBS_L/R
TV
DA,CL
DBS
S_MUTE
SBWR_MUTE
TU_L/R
MUTE
TO
T_MUTE
TUNER
TU_DATAIN
TU_DATAOUT
TU_CLK,TU_CE
L,R
IC507
DSP_STATUS
EEPROM
DSP_READY
IC501
DSP_COMMAND
RC_SDA
CPU
DSP_CLOCK
RC_SCL
DSP_RESET
RC_WP
HP_RELAY
HP_RY
Q524
BCHANGE1
USB wireless
BCHANGE2
module section
AV
AVCLINK
COMPULINK
VIDEO1
VIDEO4
FAN_ON/OFF
VIDEO7
FAN_L
TA/TC_SDA
POWER_ON
TA/TC_SCL
Y IC522 Y OUT
DBS
SY SEL. PROTECT
FREQ_CTRL
VCR OUT
IC524
C C OUT
D+5V,B+5V
IC525
+/-7V,+9V
VCR IN
SC SEL.
A+5V(DSP)
D+5V(DSP)
DVR OUT
CV IC527 CV OUT +5V(VIDEO)
CV SEL. +12V(RELAY)
DVR/DVD IN
CV_OUT
SY_IN,SC_IN
MONITOR
CV_IN
SY_OUT
SC_OUT
TA/TC_SDA
VIDEO7
TA/TC_SCL
CN581 CN583
CN591 CN593
CN592 CN594
CN582 CN584
SY_OUT,SC_OUT
IC559
JS901
CLOCK
SY_OSD
JS902
IC536 IC551 GEN.
SC_OSD CV_OSD
IC537 DIGITAL
CKIN
SW & Y/C
YOUT,COUT
AMP SEPA.
Y/C separate section Use control keys, system control and FL display section
CN509
Master clock section
M_CLOCK
FREQ_CTRL
IC211 to IC214
Master clock GEN.
-B, -B+12V
Q444,Q445
-B+12V REG
Volume section
SBWR_MUTE
SUBWFR
SUBWOOFER
MUTE
OUT
L,R
IC504
DVD_SW
AMP
DVD_SL/SR
DVD_C
IC503
MUTE
6CH VOLUME
DA,CL S_MUTE
DA,CL
DSP_L/R
DSP_C,DSP_SW IC508
DSP_SL/SR
AUDIO SOUND
DSP_SBL/SBR
PROCESSOR
CN521
CN683
DSP and digital signal input terminal section
DSP_L
DSP_R IC611 to IC614 IC682 IC681
AMP. D/A DIGITAL AUDIO & DSP
PD_DD
CC_DATA,CC_CS
D/A0,C_LRCK
RST_DD CC_CLK,CC_RST
IC621,IC622 C_BCK
A2+/- to A4+/- 96K/48K
IC632 to IC634
B2+/- to B4+/- 182K/96K
C_LRCK
IC651,IC652
DSP_IN_L
S_LRCK
LIN+/-
AMP.
IC601
DSP_IN_R IC667 C_BCK
RIN+/-
IC602
S_BCK
8CH
AMP. CDIN D/A0 to D/A3
CODEC
DATA,XTAL
CDOUT
CCLK,D_CS
DSPSTATUS,DSPREADY
D_RST
DSPCLK,DSPRESET
DSPCOMMAND
GPIO1
GPIO2
DIGITAL RX0
MOSI
GPIO3
MISO
IN1
GPIO4
SS,HREQ
DSP_RST
LAN MODULE
RX1
DIGITAL
IC671
MICK
IN2
CPU
CN12 CN13
IC11 RX2
DIGITAL
DIGITAL AUDIO
IN3
TRANSMITTER
RX5 RX4 TX
CN11 CN662 CN661 UN686
DIGITAL OUT
CN961
USB_IN
USB D+/-,VBUS IC903
TERMINAL D/A
HP_L
HP_R
HEADPHONE_DET
HEADPHONE
CN914
SEG1 to 35
DI901
AVC_IN/OUT
GRID1 to 15
FL
AV COMPULINK
DISPLAY
Q910
AM_LED
FM_LED,USB_LED
M_COMMAND,M_STATUS
TV_LED,DBS_LED
IC901
M_CLK,M_RESET,M_BUSY
DVD_LED,VCR_LED
M_CS CPU
DVD_MULTI_LED
BLUE_LED &
D908,D909
FL D916 to D923
IC902 REMOCON DRV. STANDBY_LED
IR DET. F1,F1
D907
-VPP
VOL1,VOL2,JOG1,JOG2
STANDBY D+5V
KEY_IN1 to 3
S901 to S906
LED
Regulator, DC-DC converter and digital power amplifier section
AMP_-B
AMP_-B+12V
PROTECT Q281 to Q286
PROTECTOR
M_CLOCK
FREQ_CTRL
PROTECT
PWM modulator section
FL,FR
A.NFB_FL
FL,FR,C D.NFB_FL
SL,SR
A.NFB_FR
SBL,SBR
D.NFB_FR IC201
MODULATER
C
A.NFB_C
D.NFB_C IC801
MODULATER
+/-7V
CN423
CN413
SL,SR
A.NFB_SL
+/-7V
D.NFB_SL
A.NFB_SR
D.NFB_SR IC301
MODULATER
FREQ_CTRL SBL,SBR
PROTECT A.NFB_SBL
Lout_HP D.NFB_SBL
Rout_HP A.NFB_SBR
D.NFB_SBR IC401
MODULATER
IC661
DSP
M_CLOCK
+/-7V
VCHANGE_1,VCHANGE_2,M_CLOCK
SCK
D+5V_Mi,D+5V_DSP
B+5V_Mi,POWER_ON
IC673
INV
D+5V_Mi
+/-7V
Q157,Q158
Lout_HP +/-7V REG
Rout_HP
IC153
A+5V_Vi
A+5V_Vi
RY300
REG
HP_RY
+12V_RY
IC152
A+9V_Vi_Tu
A+9V_Vi_Tu
REG
FAN_ON/OFF
IC151
FAN_LOW
A+5V_DSP
A+5V_DSP
Q151,Q152
REG
Q154
Q153
FAN
TO
+12V_FAN
FAN
+12V_RY
REG
D+5V_Mi,FL1,FL2,VPP
Lout_HP
Rout_HP
FRONT_L
IC251
FRONT_R
IC351
Speaker terminal section
AMP
A.NFB_FL,D.NFB_FL
A.NFB_FR,D.NFB_FR
Lout
Rout
CENTER Cout
IC851
AMP
A.NFB_C
D.NFB_C
SURROUND_L
IC261 FRONT_RY
SURROUND_R
CENTER_RY
IC361
AMP
A.NFB_SL,D.NFB_SL
SLout
A.NFB_SR,D.NFB_SR
SRout
SBLout
SURRBACK_L
IC451
SURRBACK_R SBRout
IC461
AMP
A.NFB_SBL,D.NFB_SBL
A.NFB_SBR,D.NFB_SBR
POWER_ON
PWM_V,Vout_DET
D+5V_DSP
D+5V_Mi
M_CLOCK
B+5V_Mi
AC_DET_1
Q101
VCHANGE_1
D+5V_Mi,B+5V_Mi VCHANGE_2
REG
PWM_V
Vout_DET
Q1101
Q1102
IC101
Q173
DCDC
PRI_RY+9V
converter
REG
D1101
Q171
to
D+5V_DSP
AC_DET_1
D1104
REG
D101
to
Q174
D104
DCDC_+12
+B
REG
-B
POWER_ON
RY+9V
Q175
S1
DCDC_-B+12
REG +12V
-B+12V
S2
D109 to D112
Q102
VPP S2
S2
VPP REG.
S3 S3
FRONT
RY295
&
RY895
CENTER
FRONT_RY
CENTER_RY
CN465
FW451 CN209
FRONT_RY
CENTER_RY
SURR_RY
SURRBACK_RY
SURR_RY
SURRBACK_RY
SURROUND
RY391
&
RY491
SURRBACK
IC111 to IC113, IC115
DCDC converter
control
Primary section
Main
AC T102
Trans. plug
RY+9V
POWER_ON
Q1001
Power
trans.
RY101
2-1